A Visual History of Human Knowledge | Manuel Lima | TED Talks

Over the past 10 years, I’ve been researching the way people organize and visualize information. And I’ve noticed an interesting shift. For a long period of time, we believed in a natural ranking order in the world around us, also known as the great chain of being, or “Scala naturae” in Latin, a top-down structure […]

Why societies collapse | Jared Diamond

I think all of us have been interested, at one time or another, in the romantic mysteries of all those societies that collapsed, such as the classic Maya in the Yucatan, the Easter Islanders, the Anasazi, Fertile Crescent society, Angor Wat, Great Zimbabwe and so on. And within the last decade or two, archaeologists have […]

How to green the world’s deserts and reverse climate change | Allan Savory

Translator: Joseph Geni Reviewer: Morton Bast The most massive tsunami perfect storm is bearing down upon us. This perfect storm is mounting a grim reality, increasingly grim reality, and we are facing that reality with the full belief that we can solve our problems with technology, and that’s very understandable. Now, this perfect storm that […]

How economic inequality harms societies | Richard Wilkinson

You all know the truth of what I’m going to say. I think the intuition that inequality is divisive and socially corrosive has been around since before the French Revolution. What’s changed is we now can look at the evidence, we can compare societies, more and less equal societies, and see what inequality does. I’m […]

Jared Diamond: How societies can grow old better

To give me an idea of how many of you here may find what I’m about to tell you of practical value, let me ask you please to raise your hands: Who here is either over 65 years old or hopes to live past age 65 or has parents or grandparents who did live or […]

AJ Jacobs: The world’s largest family reunion … we’re all invited!

Six months ago, I got an email from a man in Israel who had read one of my books, and the email said, “You don’t know me, but I’m your 12th cousin.” And it said, “I have a family tree with 80,000 people on it, including you, Karl Marx, and several European aristocrats.” Now I […]

Spencer Wells: Building a family tree for all humanity

Jambo, bonjour, zdravstvujtye, dayo: these are a few of the languages that I’ve spoken little bits of over the course of the last six weeks, as I’ve been to 17 countries I think I’m up to, on this crazy tour I’ve been doing, checking out various aspects of the project that we’re doing. And I’m […]